Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor

In this work, the relative neutron flux was determined experimentally using neutron activation analysis (NAA) method along the length of the dry channel (GUIDE TUBE) of the Isfahan miniature neutron source reactor (MNSR). This reactor was also simulated using the MCNP code, and the neutron flux dist...

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Main Authors: A shirani, A sohrabi, I shahabi
Format: Article
Language:fas
Published: Nuclear Science and Technology Research Institute 2011-05-01
Series:مجله علوم و فنون هسته‌ای
Subjects:
Online Access:https://jonsat.nstri.ir/article_428_d868fc8dd23699f848ebc8ba54550717.pdf
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author A shirani
A sohrabi
I shahabi
author_facet A shirani
A sohrabi
I shahabi
author_sort A shirani
collection DOAJ
description In this work, the relative neutron flux was determined experimentally using neutron activation analysis (NAA) method along the length of the dry channel (GUIDE TUBE) of the Isfahan miniature neutron source reactor (MNSR). This reactor was also simulated using the MCNP code, and the neutron flux distribution along the dry channel was calculated and the results were compared with the measured values. The results showed that the neutron flux distribution peak in the dry channel occurs at a point below the nearest point to the center of the reactor core. This is due to presence of the bottom beryllium reflector. In addition, the simulation program was used to determine the neutron energy spectrum in the dry channel and also in the inner and outer irradiation channels of the reactor. Furthermore, the neutron energy spectrum in an inner irradiation channel of the reactor was compared with the previous studies.
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spelling doaj.art-9e6a80d75cee47ec8bf43d80dc3e3aae2023-05-02T10:46:49ZfasNuclear Science and Technology Research Instituteمجله علوم و فنون هسته‌ای1735-18712676-58612011-05-013214953428Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this ReactorA shirani0A sohrabi1I shahabi2دانشکده فیزیک، دانشگاه صنعتی اصفهان، صندوق پستی: 83111-84156، اصفهان- ایراندانشکده فیزیک، دانشگاه صنعتی اصفهان، صندوق پستی: 83111-84156، اصفهان- ایرانپژوهشکده تحقیقات و توسعه رآکتورها و شتاب‌دهنده‌ها، پژوهشگاه علوم و فنون هسته‌ای، سازمان انرژی اتمی ایران، صندوق پستی: 1589-81465، اصفهان- ایرانIn this work, the relative neutron flux was determined experimentally using neutron activation analysis (NAA) method along the length of the dry channel (GUIDE TUBE) of the Isfahan miniature neutron source reactor (MNSR). This reactor was also simulated using the MCNP code, and the neutron flux distribution along the dry channel was calculated and the results were compared with the measured values. The results showed that the neutron flux distribution peak in the dry channel occurs at a point below the nearest point to the center of the reactor core. This is due to presence of the bottom beryllium reflector. In addition, the simulation program was used to determine the neutron energy spectrum in the dry channel and also in the inner and outer irradiation channels of the reactor. Furthermore, the neutron energy spectrum in an inner irradiation channel of the reactor was compared with the previous studies.https://jonsat.nstri.ir/article_428_d868fc8dd23699f848ebc8ba54550717.pdfmcnp codemnsr reactorneutron activationneutron energy spectrumneutron flux
spellingShingle A shirani
A sohrabi
I shahabi
Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor
مجله علوم و فنون هسته‌ای
mcnp code
mnsr reactor
neutron activation
neutron energy spectrum
neutron flux
title Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor
title_full Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor
title_fullStr Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor
title_full_unstemmed Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor
title_short Determination of Neutron Flux Distribution along the Dry-Channel of the MNSR Reactor and Determination of Neutron Energy Spectrum in this Reactor
title_sort determination of neutron flux distribution along the dry channel of the mnsr reactor and determination of neutron energy spectrum in this reactor
topic mcnp code
mnsr reactor
neutron activation
neutron energy spectrum
neutron flux
url https://jonsat.nstri.ir/article_428_d868fc8dd23699f848ebc8ba54550717.pdf
work_keys_str_mv AT ashirani determinationofneutronfluxdistributionalongthedrychannelofthemnsrreactoranddeterminationofneutronenergyspectruminthisreactor
AT asohrabi determinationofneutronfluxdistributionalongthedrychannelofthemnsrreactoranddeterminationofneutronenergyspectruminthisreactor
AT ishahabi determinationofneutronfluxdistributionalongthedrychannelofthemnsrreactoranddeterminationofneutronenergyspectruminthisreactor